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        <h3 id="学习fs模块、http模块、express框架、koa框架"><a href="#学习fs模块、http模块、express框架、koa框架" class="headerlink" title="学习fs模块、http模块、express框架、koa框架"></a>学习fs模块、http模块、express框架、koa框架</h3><h4 id="fs模块"><a href="#fs模块" class="headerlink" title="fs模块"></a>fs模块</h4><p><img src="https://upload-images.jianshu.io/upload_images/11007474-749ed28d77e3e2b8.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240" alt="fs模块"></p>
<h4 id="http模块"><a href="#http模块" class="headerlink" title="http模块"></a>http模块</h4><p><img src="https://upload-images.jianshu.io/upload_images/11007474-1d7202199f3f301f.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240" alt="http模块"></p>
<h4 id="express框架"><a href="#express框架" class="headerlink" title="express框架"></a>express框架</h4><p>按文档要求安装相关内容<br><img src="https://upload-images.jianshu.io/upload_images/11007474-22f9a66200b76129.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240" alt="express框架"></p>
<h4 id="koa框架"><a href="#koa框架" class="headerlink" title="koa框架"></a>koa框架</h4><p>安装koa<br><img src="https://upload-images.jianshu.io/upload_images/11007474-df2b54f5689d6fa3.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240" alt="koa打出hello world"></p>
<p>返回对应路径<br><img src="https://upload-images.jianshu.io/upload_images/11007474-daff7383760ee42b.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240" alt="image.png"></p>
<p><a href="https://juejin.im/post/5ab7677f6fb9a028d56711d0" target="_blank" rel="noopener">参考方老师文章</a></p>
<h3 id="Event-loop学习"><a href="#Event-loop学习" class="headerlink" title="Event loop学习"></a>Event loop学习</h3><p><img src="https://upload-images.jianshu.io/upload_images/11007474-b45defa0b0e7cbb2.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240" alt="image.png"></p>
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